Fix truncated SFT/DPO label masking and resume-safe gradient accumulation to prevent unstable optimization, and add explicit eval backend selection plus regression checks for safer local validation. |
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|---|---|---|
| .. | ||
| rollout_engine.py | ||
| train_agent.py | ||
| train_distillation.py | ||
| train_dpo.py | ||
| train_full_sft.py | ||
| train_grpo.py | ||
| train_lora.py | ||
| train_ppo.py | ||
| train_pretrain.py | ||
| train_tokenizer.py | ||
| trainer_utils.py | ||